Edit Gear

If you have Full Access Setup Permission, you can reorder columns and edit column properties directly on the Editform. Just click on the gear displayed near a column you want to change and the following options will be listed in the dropdown:

The width of the form row can be divided into 4 columns maximum. It means that you can place up to 4 elements side by side in the same row. To replace columns on the form, choose the black bars sub-option. It displays how columns/fields can be laid out in a row.